SW_FLOW_CON_EN | Set this bit to enable software flow control. it is used with register sw_xon or sw_xoff . |
XONOFF_DEL | Set this bit to remove flow control char from the received data. |
FORCE_XON | Set this bit to clear ctsn to stop the transmitter from sending data. |
FORCE_XOFF | Set this bit to set ctsn to enable the transmitter to go on sending data. |
SEND_XON | Set this bit to send xon char. it is cleared by hardware automatically. |
SEND_XOFF | Set this bit to send xoff char. it is cleared by hardware automatically. |